124,920
124,920 is a composite number, even.
124,920 (one hundred twenty-four thousand nine hundred twenty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2³ × 3² × 5 × 347. Its proper divisors sum to 282,240, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E7F8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 29,421
- Recamán's sequence
- a(236,324) = 124,920
- Square (n²)
- 15,605,006,400
- Cube (n³)
- 1,949,377,399,488,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 407,160
- φ(n) — Euler's totient
- 33,216
- Sum of prime factors
- 364
Primality
Prime factorization: 2 3 × 3 2 × 5 × 347
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,920 = [353; (2, 3, 1, 2, 6, 2, 3, 2, 6, 2, 1, 3, 2, 706)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-four thousand nine hundred twenty
- Ordinal
- 124920th
- Binary
- 11110011111111000
- Octal
- 363770
- Hexadecimal
- 0x1E7F8
- Base64
- Aef4
- One's complement
- 4,294,842,375 (32-bit)
- Scientific notation
- 1.2492 × 10⁵
- As a duration
- 124,920 s = 1 day, 10 hours, 42 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρκδϡκʹ
- Mayan (base 20)
- 𝋯·𝋬·𝋦·𝋠
- Chinese
- 一十二萬四千九百二十
- Chinese (financial)
- 壹拾貳萬肆仟玖佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124920, here are decompositions:
- 11 + 124909 = 124920
- 13 + 124907 = 124920
- 23 + 124897 = 124920
- 67 + 124853 = 124920
- 73 + 124847 = 124920
- 97 + 124823 = 124920
- 101 + 124819 = 124920
- 127 + 124793 = 124920
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E 9F B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.231.248.
- Address
- 0.1.231.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.231.248
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 124,920 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.